CLA-2-29:RR:NC:2:240 L89083

Mr. Joseph J. Chivini
Austin Chemical Company, Inc.
1565 Barclay Boulevard
Buffalo Grove, Illinois 60089

RE: The tariff classification of Sodium butyrate, CAS # 156-54-7, imported in bulk form, from China

Dear Mr. Chivini:

In your letter dated November 30, 2006 you requested a tariff classification ruling.

The subject product, Sodium butyrate, is a sodium salt of a saturated acyclic monocarboxylic acid (Butanoic acid) indicated for use as a pharmaceutical intermediate.

The applicable subheading for Sodium butyrate, also known as Butanoic acid, sodium salt, will be 2915.60.5000, Harmonized Tariff Schedule of the United States (HTS), which provides for Saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: Butanoic acids, pentanoic acids, their salts and esters: Other. The rate of duty will be 2.1 percent ad valorem.

Duty rates are provided for your convenience and are subject to change. The text of the most recent HTSUSA and the accompanying duty rates are provided on World Wide Web at

This ruling is being issued under the provisions of Part 177 of the Customs Regulations (19 C.F.R. 177).

A copy of the ruling or the control number indicated above should be provided with the entry documents filed at the time this merchandise is imported. If you have any questions regarding the ruling, contact National Import Specialist Stephanie Joseph at 646-733-3268.


Robert B. Swierupski
National Commodity
Specialist Division